Home / 28,289.00-42,428.03-26,884.05

Finding the Fourth Proportional to 28,289.00, 42,428.03 and 26,884.05

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Solution

The fourth proportional to 28,289.00, 42,428.03 and 26,884.05 is: 40,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.00 : 42,428.03 = 26,884.05 : x
  2. Step 2: Convert to fraction form
    28,289.00/42,428.03 = 26,884.05/x
  3. Step 3: Cross multiply
    28,289.00x = 42,428.03 × 26,884.05
  4. Step 4: Simplify right side
    28,289.00x = 1,140,637,145.50
  5. Step 5: Solve for x
    x = 1,140,637,145.50/28,289.00
  6. Step 6: Final answer
    x = 40,320.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.